特性 character |
PTFF | PFA | FEP | ETFE | PCTFE | PVDF |
比重 specific gracity |
2.13-2.22 | 2.12-2.17 | 2.12-2.17 | 1.70-1.86 | 2.10-2.14 | 1.76-1.78 |
熔点(℃) melting point |
327 | 302-310 | 270 | 260 | 210-212 | 173-175 |
高连续使用温度(℃) maximum continuous user temperature |
260 | 260 | 200 | 150 | 120 | 150 |
拉伸强度(mpa) tensile strength |
20-45 | 27-35 | 19-22 | 40-50 | 31-41 | 39-59 |
延伸率(%) coefficient of elongation |
200-450 | 280-400 | 250-330 | 420-460 | 80-250 | 300-450 |
介电常数 103HZ 106HZ dielectric constant |
2.1 2.1 |
2.1 2.1 |
2.1 2.1 |
2.6 2.6 |
2.3-2.7 2.3-2.5 |
7.72 6.43 |
体积电阻(Ω-CM) volume resistance |
>1018 | >1018 | >1018 | >1016 | >1016 | >1014 |
介电击穿强度 v/mil dielectric breakdown strength |
480 | 500 | 500-600 | 400 | 500-600 |
260 |